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Finding the Third Proportional to 17,931,192 and 38,381,808

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Solution

The third proportional to 17,931,192 and 38,381,808 is: 82,156,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931,192 : 38,381,808 = 38,381,808 : x
  2. Step 2: Convert to fraction form
    17,931,192/38,381,808 = 38,381,808/x
  3. Step 3: Cross multiply
    17,931,192x = 38,381,808 × 38,381,808
  4. Step 4: Simplify right side
    17,931,192x = 1,473,163,185,348,864
  5. Step 5: Solve for x
    x = 1,473,163,185,348,864/17,931,192
  6. Step 6: Final answer
    x = 82,156,455.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.